Colored smoke



EDWIN G. WEISG-ERBER, OF THE UNITED STATES ARMY.

COLORED SMOKE.

No Drawing.

Specification of Letters Patent.

Patented May 4, 1920.

Application filed. January 10, 1919. Serial No. 270,578.

(FILED UNDER THE ACT OF MARCH 3, 1883, 22 STAT. In, 625.)

To all whom it may concern: v

Be it known that I, EDWIN C. VEISGERBER, captain, Corps of Eng, U. S.A., a citizen of the United States, stationed at Washington, D. C, haveinvented an Improvement in Colored Smoke, of which. the following is aspecification.

The invention described herein may be used by the Government, or any ofits officers or employees in prosecution of work for the Government, orby any other person in the United States, without payment of any royaltythereon.

This invention relates to colored smoke,

for military and other purposes, and has particular relatlon to a smokecolored yellow-green.

The smoke producing composition comprises the following in substantiallythe proportions given.

80 parts potassium chlorate. 20 parts lactose. 25 parts mercurous iodid.

tions following:

Potassium chlorate 30 parts. Lactose." 20 parts. lWIercurous iodid 25parts.

EDWIN O. WEISGERBER.

